Hi Philipp: 2017-05-31 5:32 GMT+08:00 Philipp Tomsich < philipp.toms...@theobroma-systems.com>:
> > We support booting both from SD/MMC images and SPI images on the > RK3399-Q7 for different use-cases (e.g. external boot in development > from the SD card, internal boot from MMC or SPI depending on whether > the SPI flash is populated on any given configuration option). > > In getting the SPI image support ready for production, we found a > few areas that warranted improvements: > - we had broken SPI bootstrap earlier in the changes introducting > boot0-style images for the RK3399 (this needed fixing) > - in fixing the broken SPI padding calculation, it became apparent > that it's best to refactor and document things before we make > the same mistake again in the future > - with both SD/MMC and SPI images being used for various purposes > by various people, the wrong image style was inadvertendly used > in some tests... so we support for 'dumpimage' (i.e. verify_header > and print_header) had to be added to quickly check the image > type being handled > > With v3, we pad the images to 2KB again, as this is required by the > BootROM (see https://lists.denx.de/pipermail/u-boot/2017-May/293268.html). > > Changes in v3: > - (added patch) forces the alignment/padding to 2KB for SD images, as > this would otherwise break the back-to-bootrom functionality > - added in v3 > > Changes in v2: > - (in rkcommon_verify_header): changed to use a standard error > (i.e. from errno.h) to convey 'header0 signature does not match' > [squash of: "rockchip: mkimage: don't mix standard errors and FDT"] > > Philipp Tomsich (3): > rockchip: mkimage: add support for verify_header/print_header > rockchip: mkimage: force 2KB alignment for init_size > rockchip: mkimage: set init_boot_size to avoid confusing the boot ROM > > tools/rkcommon.c | 130 ++++++++++++++++++++++++++++++ > ++++++++++++++++++++++--- > tools/rkcommon.h | 20 +++++++++ > tools/rksd.c | 35 ++++----------- > tools/rkspi.c | 23 ++-------- > 4 files changed, 158 insertions(+), 50 deletions(-) > > -- > 1.9.1 > > For patch (2)(3): Tested-by: Andy Yan <andy....@rock-chips.com> on RV1108 evb board. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
